Completion of Non-Regulated Disposal Programme

United Utilities Group PLC 10 November 2010 UNITED UTILITIES COMPLETES ITS NON-REGULATED DISPOSAL PROGRAMME United Utilities today announces that it has completed its non-regulated disposal programme*. As outlined previously, the various sales have achieved a total enterprise value of approximately £600 million. United Utilities has taken the decision to retain its 35.3% holding in AS Tallinna Vesi. United Utilities intends to retain the sale proceeds within the group. United Utilities contacts: Gaynor Kenyon, Communications Director +44 (0)7753 622282 Darren Jameson, Head of Investor Relations +44 (0)1925 237033 James Bradley / Tom Murray, Tulchan Communications +44 (0) 20 7353 4200 Notes *The non-regulated businesses sold by the group include its: * 15% investment in Northern Gas Networks Holdings Limited; * 11.67% economic interest in Manila Water Company; * 100% owned subsidiary United Utilities Australia Pty Limited and related entities; * 77.1% holding in Sofiyska Voda AD in Bulgaria; * 33.2% holding in Aqua Spolka Akcyjna in Poland; * stake in the 2010-15 capital management contract with Southern Water; * stake in the capital delivery contract with Southern Water to manage the design and build of a new wastewater treatment works in the Brighton and Hove area; * UK industrial solutions business; * three Scottish private finance initiatives (33.33% of Catchment Moray Holdings Limited, 33.33% of Catchment Tay Holdings Limited and 50.0% of Catchment Highland Holdings Limited) and associated operations contracts; * 50% holding in its non-regulated gas and electricity meter ownership business, Meter Fit; * electricity operations and maintenance business in the North West of England; * operations, maintenance and capital management contract with Northern Gas Networks; * gas and electricity metering installation contract with British Gas Trading; and * Derbyshire municipal solid waste (MSW) preferred bidder position and other MSW related interests.